Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDiHI4oB2P/Ng+vT/znCZV3oaOkZ71VHOSaT/273njDvjYV5v+1stijTIWu… (1,748 chars)"
  }
}